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Alexeev081 [22]
3 years ago
9

I don't know what this is. please, help me.

Mathematics
1 answer:
nikitadnepr [17]3 years ago
7 0
The answer is a) 12m^3 + 10n^2
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A six-sided number cube numbered 1 through 6 is rolled 270 times. The number 3
Komok [63]

Answer:

The theoretical probability of rolling a 3 is 1/6 and the experimental probability of rolling a 3 is 135/22

Step-by-step explanation:

8 0
2 years ago
Write the first five terms of the arithmetic sequence. a1 = 9; d = -2
asambeis [7]

Answer:

nth term = 1 1/2n -1

Step-by-step explanation:

The arithmetic sequence formula is:

a n = a 1 + ( n – 1 ) d

Where: a n

is the nth term in the sequence

a 1

is the first term in the sequence

n

is the term you are solving for

d

is the common difference for any pair of consecutive numbers in the sequence.

First Term or  

n = 1 :

This is given in the problem.

a 1  =  9

Second Term or  

n = 2 :

Substitute  

2  for  n

in the formula and substitute the values from the problem giving:

a 2 = 9 + ( ( 2 – 1 ) × -2 )

a 2 = 9 + ( 1 × -2 )

a 2 = 9 +-2

a 2 = 7

Fifth Term or  n = 5 :

Substitute      in the formula and substitute the values from the problem giving:

a 5 = 9+ ( ( 5– 1 ) × -2 )

a 5 = 9 + ( 4 × -2 )

a 2 = 9 + -8

a 2 = 1  

Using this same process you should be able to determiner the

Third Term or  n = 3

: and Fourth Term or  n = 4 :

4 0
2 years ago
Which of the following is not a property of quadrilaterals? A. There are four sides. B. There are four diagonals. C. There are f
Katarina [22]
A quadrilateral has 4 vertices and the sum of the measures of the interior angles is 360 degrees.  There cannot be 4 diagonals in a quadrilateral.
5 0
3 years ago
a square garden has an area of 225 square feet. how much fencing will a gardener need to buy in order to place fencing around th
IgorC [24]
The gardener will need to buy 60 feet of fencing. Because the square root of 225 if 15, and 15 times 4 is 60. So, 60 is the perimeter of the garden.
6 0
3 years ago
If 2x-6=0 the x =? ​
Oliga [24]

Answer:

x=3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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